题目内容

Tasty , heavy deserts , especially those made with lots of butter or cream, could be d_________ or rich

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You could also say that something t_____ you stomach(倒胃口) , you cannot put the food in your mouth.the deserts looks d________(令人恶心), I wouldn’t eat that; I’m sure it ‘d be r_________(反胃).

下列关于钢材特点的说法中正确的是( )。

A. 钢材是以铁为主要元素,含碳量一般在2%以下
B. 耐火性能好
C. 易锈蚀,生产能耗大
D. 材质均匀,性能可靠,强度高
E. 建筑钢材主要包括各种型钢、板材和线材等

建筑钢材根据( )的含量进行品质划分。

A. 硫
B. 氧
C. 氮
D. 磷
E. 碳

按照钢材的用途划分,()属于特殊钢。

A. 不锈钢
B. 耐酸钢
C. 碳素结构钢
D. 耐热钢
E. 磁钢

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